1434025440 has 144 divisors (see below), whose sum is σ = 4925557728. Its totient is φ = 379911168.

The previous prime is 1434025427. The next prime is 1434025469. The reversal of 1434025440 is 445204341.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222909 + ... + 229251.

It is an arithmetic number, because the mean of its divisors is an integer number (34205262).

Almost surely, 2^1434025440 is an apocalyptic number.

1434025440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1434025440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2462778864).

1434025440 is an abundant number, since it is smaller than the sum of its proper divisors (3491532288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1434025440 is a wasteful number, since it uses less digits than its factorization.

1434025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521 (or 6510 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1434025440 is about 37868.5283579914. The cubic root of 1434025440 is about 1127.6793263802.

Adding to 1434025440 its reverse (445204341), we get a palindrome (1879229781).

The spelling of 1434025440 in words is "one billion, four hundred thirty-four million, twenty-five thousand, four hundred forty".